Kenji TSUZUMI

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Chiyoda-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mold powder for continuous casting of A1-containing sub-peritectic...
- Patent number 11,945,028
- Issue date Apr 2, 2024
- JFE Steel Corporation
- Kenji Tsuzumi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hot-pressed member, cold-rolled steel sheet for hot-pressed member,...
- Patent number 11,850,821
- Issue date Dec 26, 2023
- JFE Steel Corporation
- Katsutoshi Takashima
- C21 - METALLURGY OF IRON
Information Patent Grant
Material for high strength steel sheets, hot rolled material for hi...
- Patent number 10,858,717
- Issue date Dec 8, 2020
- JFE Steel Corporation
- Kenji Tsuzumi
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING Cu-Sn-CONTAINING STEEL
- Publication number 20250051873
- Publication date Feb 13, 2025
- JFE STEEL CORPORATION
- Yuta SAKURAI
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING ULTRA-LOW CARBON STEEL PRODUCT
- Publication number 20230287543
- Publication date Sep 14, 2023
- JFE STEEL CORPORATION
- Keisuke Sano
- C21 - METALLURGY OF IRON
Information Patent Application
MOLD POWDER FOR CONTINUOUS CASTING OF Al-CONTAINING SUB-PERITECTIC...
- Publication number 20220226886
- Publication date Jul 21, 2022
- JFE STEEL CORPORATION
- Kenji TSUZUMI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
HOT-PRESSED MEMBER, COLD-ROLLED STEEL SHEET FOR HOT-PRESSED MEMBER,...
- Publication number 20220118741
- Publication date Apr 21, 2022
- JFE STEEL CORPORATION
- Katsutoshi Takashima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MATERIAL FOR HIGH STRENGTH STEEL SHEETS, HOT ROLLED MATERIAL FOR HI...
- Publication number 20180363088
- Publication date Dec 20, 2018
- JFE STEEL CORPORATION
- Kenji TSUZUMI
- C21 - METALLURGY OF IRON